/*
 * Copyright (c) 1983-2023 Trevor Wishart and Composers Desktop Project Ltd
 * http://www.trevorwishart.co.uk
 * http://www.composersdesktop.com
 *
 This file is part of the CDP System.

    The CDP System is free software; you can redistribute it
    and/or modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    The CDP System is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with the CDP System; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA
 *
 */



#include <stdio.h>
#include <stdlib.h>
#include <structures.h>
#include <tkglobals.h>
#include <pnames.h>
#include <filetype.h>
#include <processno.h>
#include <modeno.h>
#include <logic.h>
#include <globcon.h>
#include <cdpmain.h>
#include <math.h>
#include <mixxcon.h>
#include <osbind.h>
#include <standalone.h>
#include <ctype.h>
#include <sfsys.h>
#include <string.h>
#include <srates.h>


#ifdef unix
#define round(x) lround((x))
#endif

char errstr[2400];

int anal_infiles = 1;
int sloom = 0;
int sloombatch = 0;

const char* cdp_version ="7.1.0";

#define dig      ringsize
#define digsteps itemcnt
#define arrraysize rampbrksize
#define CACOSTABSIZ 16384

//CDP LIB REPLACEMENTS
static int check_cantor_param_validity_and_consistency(dataptr dz);
static int setup_cantor_application(dataptr dz);
static int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz);
static int parse_infile_and_check_type(char **cmdline,dataptr dz);
static int setup_cantor_param_ranges_and_defaults(dataptr dz);
static int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz);
static int open_the_outfile(dataptr dz);
static int setup_and_init_input_param_activity(dataptr dz,int tipc);
static int setup_input_param_defaultval_stores(int tipc,aplptr ap);
static int establish_application(dataptr dz);
static int initialise_vflags(dataptr dz);
static int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz);
static int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz);
static int mark_parameter_types(dataptr dz,aplptr ap);
static int assign_file_data_storage(int infilecnt,dataptr dz);
static int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q);
static int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz);
static int get_the_mode_from_cmdline(char *str,dataptr dz);
static int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt);
//static double dbtolevel(double val);
static int cantor(dataptr dz);
static int create_cantor_sndbufs(dataptr dz);
static int cut_hole(int startseg,int endseg,double holsttfrac,double holendfrac,double splincr,float *ibuf,float *obuf,int holeno,dataptr dz);
static int woblwobl(float *ibuf,float *obuf,int *woblcnt,int stepcnt,double maxatten,dataptr dz);

/**************************************** MAIN *********************************************/

int main(int argc,char *argv[])
{
    int exit_status;
    dataptr dz = NULL;
    char **cmdline;
    int  cmdlinecnt;
//    aplptr ap;
    int is_launched = FALSE;
    if(argc==2 && (strcmp(argv[1],"--version") == 0)) {
        fprintf(stdout,"%s\n",cdp_version);
        fflush(stdout);
        return 0;
    }
                        /* CHECK FOR SOUNDLOOM */
    if((sloom = sound_loom_in_use(&argc,&argv)) > 1) {
        sloom = 0;
        sloombatch = 1;
    }
    if(sflinit("cdp")){
        sfperror("cdp: initialisation\n");
        return(FAILED);
    }
                          /* SET UP THE PRINCIPLE DATASTRUCTURE */
    if((exit_status = establish_datastructure(&dz))<0) {                    // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if(!sloom) {
        if(argc == 1) {
            usage1();   
            return(FAILED);
        } else if(argc == 2) {
            usage2(argv[1]);    
            return(FAILED);
        }
    }
    if(!sloom) {
        if((exit_status = make_initial_cmdline_check(&argc,&argv))<0) {     // CDP LIB
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
        cmdline    = argv;
        cmdlinecnt = argc;
        if((get_the_process_no(argv[0],dz))<0)
            return(FAILED);
        cmdline++;
        cmdlinecnt--;
        dz->maxmode = 3;
        if((exit_status = get_the_mode_from_cmdline(cmdline[0],dz))<0) {
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(exit_status);
        }
        cmdline++;
        cmdlinecnt--;
        // setup_particular_application =
        if((exit_status = setup_cantor_application(dz))<0) {
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
        if((exit_status = count_and_allocate_for_infiles(cmdlinecnt,cmdline,dz))<0) {       // CDP LIB
            print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(FAILED);
        }
    } else {
        //parse_TK_data() =
        if((exit_status = parse_sloom_data(argc,argv,&cmdline,&cmdlinecnt,dz))<0) {
            exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
            return(exit_status);         
        }
    }
//    ap = dz->application;

    // parse_infile_and_hone_type() = 
    if((exit_status = parse_infile_and_check_type(cmdline,dz))<0) {
        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    // setup_param_ranges_and_defaults() =
    if((exit_status = setup_cantor_param_ranges_and_defaults(dz))<0) {
        exit_status = print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    // open_first_infile        CDP LIB
    if((exit_status = open_first_infile(cmdline[0],dz))<0) {    
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);  
        return(FAILED);
    }
    cmdlinecnt--;
    cmdline++;

//  handle_extra_infiles() : redundant
    // handle_outfile() = 
    if((exit_status = handle_the_outfile(&cmdlinecnt,&cmdline,dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }

//  handle_formants()           redundant
//  handle_formant_quiksearch() redundant
//  handle_special_data()       redundant
 
    if((exit_status = read_parameters_and_flags(&cmdline,&cmdlinecnt,dz))<0) {      // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
//  check_param_validity_and_consistency....
    if((exit_status = check_cantor_param_validity_and_consistency(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    is_launched = TRUE;
    if((exit_status = create_cantor_sndbufs(dz))<0) {                               // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if((exit_status = open_the_outfile(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    //param_preprocess()                        redundant
    //spec_process_file =
    if((exit_status = cantor(dz))<0) {
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    if((exit_status = complete_output(dz))<0) {                                     // CDP LIB
        print_messages_and_close_sndfiles(exit_status,is_launched,dz);
        return(FAILED);
    }
    exit_status = print_messages_and_close_sndfiles(FINISHED,is_launched,dz);       // CDP LIB
    free(dz);
    return(SUCCEEDED);
}

/**********************************************
        REPLACED CDP LIB FUNCTIONS
**********************************************/


/****************************** SET_PARAM_DATA *********************************/

int set_param_data(aplptr ap, int special_data,int maxparamcnt,int paramcnt,char *paramlist)
{
    ap->special_data   = (char)special_data;       
    ap->param_cnt      = (char)paramcnt;
    ap->max_param_cnt  = (char)maxparamcnt;
    if(ap->max_param_cnt>0) {
        if((ap->param_list = (char *)malloc((size_t)(ap->max_param_cnt+1)))==NULL) {    
            sprintf(errstr,"INSUFFICIENT MEMORY: for param_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->param_list,paramlist); 
    }
    return(FINISHED);
}

/****************************** SET_VFLGS *********************************/

int set_vflgs
(aplptr ap,char *optflags,int optcnt,char *optlist,char *varflags,int vflagcnt, int vparamcnt,char *varlist)
{
    ap->option_cnt   = (char) optcnt;           /*RWD added cast */
    if(optcnt) {
        if((ap->option_list = (char *)malloc((size_t)(optcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for option_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->option_list,optlist);
        if((ap->option_flags = (char *)malloc((size_t)(optcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for option_flags\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->option_flags,optflags); 
    }
    ap->vflag_cnt = (char) vflagcnt;           
    ap->variant_param_cnt = (char) vparamcnt;
    if(vflagcnt) {
        if((ap->variant_list  = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_list\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->variant_list,varlist);       
        if((ap->variant_flags = (char *)malloc((size_t)(vflagcnt+1)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY: for variant_flags\n");
            return(MEMORY_ERROR);
        }
        strcpy(ap->variant_flags,varflags);

    }
    return(FINISHED);
}

/***************************** APPLICATION_INIT **************************/

int application_init(dataptr dz)
{
    int exit_status;
    int storage_cnt;
    int tipc, brkcnt;
    aplptr ap = dz->application;
    if(ap->vflag_cnt>0)
        initialise_vflags(dz);    
    tipc  = ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt;
    ap->total_input_param_cnt = (char)tipc;
    if(tipc>0) {
        if((exit_status = setup_input_param_range_stores(tipc,ap))<0)             
            return(exit_status);
        if((exit_status = setup_input_param_defaultval_stores(tipc,ap))<0)        
            return(exit_status);
        if((exit_status = setup_and_init_input_param_activity(dz,tipc))<0)    
            return(exit_status);
    }
    brkcnt = tipc;
    //THERE ARE NO INPUTFILE brktables USED IN THIS PROCESS
    if(brkcnt>0) {
        if((exit_status = setup_and_init_input_brktable_constants(dz,brkcnt))<0)              
            return(exit_status);
    }
    if((storage_cnt = tipc + ap->internal_param_cnt)>0) {         
        if((exit_status = setup_parameter_storage_and_constants(storage_cnt,dz))<0)   
            return(exit_status);
        if((exit_status = initialise_is_int_and_no_brk_constants(storage_cnt,dz))<0)      
            return(exit_status);
    }                                                      
    if((exit_status = mark_parameter_types(dz,ap))<0)     
        return(exit_status);
    
    // establish_infile_constants() replaced by
    dz->infilecnt = 1;
    //establish_bufptrs_and_extra_buffers():
    return(FINISHED);
}

/********************** SETUP_PARAMETER_STORAGE_AND_CONSTANTS ********************/
/* RWD mallo changed to calloc; helps debug verison run as release! */

int setup_parameter_storage_and_constants(int storage_cnt,dataptr dz)
{
    if((dz->param       = (double *)calloc(storage_cnt, sizeof(double)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 1\n");
        return(MEMORY_ERROR);
    }
    if((dz->iparam      = (int    *)calloc(storage_cnt, sizeof(int)   ))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 2\n");
        return(MEMORY_ERROR);
    }
    if((dz->is_int      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 3\n");
        return(MEMORY_ERROR);
    }
    if((dz->no_brk      = (char   *)calloc(storage_cnt, sizeof(char)))==NULL) {
        sprintf(errstr,"setup_parameter_storage_and_constants(): 5\n");
        return(MEMORY_ERROR);
    }
    return(FINISHED);
}

/************** INITIALISE_IS_INT_AND_NO_BRK_CONSTANTS *****************/

int initialise_is_int_and_no_brk_constants(int storage_cnt,dataptr dz)
{
    int n;
    for(n=0;n<storage_cnt;n++) {
        dz->is_int[n] = (char)0;
        dz->no_brk[n] = (char)0;
    }
    return(FINISHED);
}

/***************************** MARK_PARAMETER_TYPES **************************/

int mark_parameter_types(dataptr dz,aplptr ap)
{
    int n, m;                           /* PARAMS */
    for(n=0;n<ap->max_param_cnt;n++) {
        switch(ap->param_list[n]) {
        case('0'):  break; /* dz->is_active[n] = 0 is default */
        case('i'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;dz->no_brk[n] = (char)1; break;
        case('I'):  dz->is_active[n] = (char)1; dz->is_int[n] = (char)1;                         break;
        case('d'):  dz->is_active[n] = (char)1;                         dz->no_brk[n] = (char)1; break;
        case('D'):  dz->is_active[n] = (char)1; /* normal case: double val or brkpnt file */     break;
        default:
            sprintf(errstr,"Programming error: invalid parameter type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* OPTIONS */
    for(n=0,m=ap->max_param_cnt;n<ap->option_cnt;n++,m++) {
        switch(ap->option_list[n]) {
        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
        case('D'): dz->is_active[m] = (char)1;  /* normal case: double val or brkpnt file */     break;
        default:
            sprintf(errstr,"Programming error: invalid option type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* VARIANTS */
    for(n=0,m=ap->max_param_cnt + ap->option_cnt;n < ap->variant_param_cnt; n++, m++) {
        switch(ap->variant_list[n]) {
        case('0'): break;
        case('i'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1; dz->no_brk[m] = (char)1; break;
        case('I'): dz->is_active[m] = (char)1; dz->is_int[m] = (char)1;                          break;
        case('d'): dz->is_active[m] = (char)1;                          dz->no_brk[m] = (char)1; break;
        case('D'): dz->is_active[m] = (char)1; /* normal case: double val or brkpnt file */      break;
        default:
            sprintf(errstr,"Programming error: invalid variant type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }                               /* INTERNAL */
    for(n=0,
    m=ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt; n<ap->internal_param_cnt; n++,m++) {
        switch(ap->internal_param_list[n]) {
        case('0'):  break;   /* dummy variables: variables not used: but important for internal paream numbering!! */
        case('i'):  dz->is_int[m] = (char)1;    dz->no_brk[m] = (char)1;    break;
        case('d'):                              dz->no_brk[m] = (char)1;    break;
        default:
            sprintf(errstr,"Programming error: invalid internal param type in mark_parameter_types()\n");
            return(PROGRAM_ERROR);
        }
    }
    return(FINISHED);
}

/************************ HANDLE_THE_OUTFILE *********************/

int handle_the_outfile(int *cmdlinecnt,char ***cmdline,dataptr dz)
{
    char *p, *filename = (*cmdline)[0];
    int n;
    if(filename[0]=='-' && filename[1]=='f') {
        dz->floatsam_output = 1;
        dz->true_outfile_stype = SAMP_FLOAT;
        filename+= 2;
    }
    if(!sloom) {
        if(file_has_invalid_startchar(filename) || value_is_numeric(filename)) {
            sprintf(errstr,"Outfile name %s has invalid start character(s) or looks too much like a number.\n",filename);
            return(DATA_ERROR);
        }
    }
    p = filename;                   //  Drop file extension
    while(*p != ENDOFSTR) {
        if(*p == '.') {
            *p = ENDOFSTR;
            break;
        }
        p++;
    }
    strcpy(dz->outfilename,filename);
    if(sloom) {                     //  IF sloom, drop trailing zero
        n = strlen(dz->outfilename);
        n--;
        dz->outfilename[n] = ENDOFSTR;
    }
//  strcpy(dz->outfilename,filename);      
    (*cmdline)++;
    (*cmdlinecnt)--;
    return(FINISHED);
}

/************************ OPEN_THE_OUTFILE *********************/

int open_the_outfile(dataptr dz)
{
    int exit_status;
    char filename[400];
    strcpy(filename,dz->outfilename);
    strcat(filename,"0");
    if((exit_status = create_sized_outfile(filename,dz))<0)
        return(exit_status);
    return(FINISHED);
}

/***************************** ESTABLISH_APPLICATION **************************/

int establish_application(dataptr dz)
{
    aplptr ap;
    if((dz->application = (aplptr)malloc(sizeof (struct applic)))==NULL) {
        sprintf(errstr,"establish_application()\n");
        return(MEMORY_ERROR);
    }
    ap = dz->application;
    memset((char *)ap,0,sizeof(struct applic));
    return(FINISHED);
}

/************************* INITIALISE_VFLAGS *************************/

int initialise_vflags(dataptr dz)
{
    int n;
    if((dz->vflag  = (char *)malloc(dz->application->vflag_cnt * sizeof(char)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY: vflag store,\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<dz->application->vflag_cnt;n++)
        dz->vflag[n]  = FALSE;
    return FINISHED;
}

/************************* SETUP_INPUT_PARAM_DEFAULTVALS *************************/

int setup_input_param_defaultval_stores(int tipc,aplptr ap)
{
    int n;
    if((ap->default_val = (double *)malloc(tipc * sizeof(double)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY for application default values store\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<tipc;n++)
        ap->default_val[n] = 0.0;
    return(FINISHED);
}

/***************************** SETUP_AND_INIT_INPUT_PARAM_ACTIVITY **************************/

int setup_and_init_input_param_activity(dataptr dz,int tipc)
{
    int n;
    if((dz->is_active = (char   *)malloc((size_t)tipc))==NULL) {
        sprintf(errstr,"setup_and_init_input_param_activity()\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<tipc;n++)
        dz->is_active[n] = (char)0;
    return(FINISHED);
}

/************************* SETUP_CANTOR_APPLICATION *******************/

int setup_cantor_application(dataptr dz)
{
    int exit_status;
    aplptr ap;
    if((exit_status = establish_application(dz))<0)     // GLOBAL
        return(FAILED);
    ap = dz->application;
    // SEE parstruct FOR EXPLANATION of next 2 functions
    if(dz->mode == 2) {
        if((exit_status = set_param_data(ap,0   ,5,5,"diidd"))<0)
            return(FAILED);
        if((exit_status = set_vflgs(ap,"",0,"","",0,0,""))<0)
            return(FAILED);
    } else {
        if((exit_status = set_param_data(ap,0   ,5,5,"ddddd"))<0)
            return(FAILED);
        if((exit_status = set_vflgs(ap,"",0,"","e",1,0,"0"))<0)
            return(FAILED);
    }
    // set_legal_infile_structure -->
    dz->has_otherfile = FALSE;
    // assign_process_logic -->
    dz->input_data_type = SNDFILES_ONLY;
    dz->process_type    = EQUAL_SNDFILE;    
    dz->outfiletype     = SNDFILE_OUT;
    return application_init(dz);    //GLOBAL
}

/************************* PARSE_INFILE_AND_CHECK_TYPE *******************/

int parse_infile_and_check_type(char **cmdline,dataptr dz)
{
    int exit_status;
    infileptr infile_info;
    if(!sloom) {
        if((infile_info = (infileptr)malloc(sizeof(struct filedata)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY for infile structure to test file data.");
            return(MEMORY_ERROR);
        } else if((exit_status = cdparse(cmdline[0],infile_info))<0) {
            sprintf(errstr,"Failed to parse input file %s\n",cmdline[0]);
            return(PROGRAM_ERROR);
        } else if(infile_info->filetype != SNDFILE)  {
            sprintf(errstr,"File %s is not of correct type\n",cmdline[0]);
            return(DATA_ERROR);
        } else if(infile_info->channels != 1)  {
            sprintf(errstr,"File %s is not of correct type (must be mono)\n",cmdline[0]);
            return(DATA_ERROR);
        } else if((exit_status = copy_parse_info_to_main_structure(infile_info,dz))<0) {
            sprintf(errstr,"Failed to copy file parsing information\n");
            return(PROGRAM_ERROR);
        }
        free(infile_info);
    }
    return(FINISHED);
}

/************************* SETUP_CANTOR_PARAM_RANGES_AND_DEFAULTS *******************/

int setup_cantor_param_ranges_and_defaults(dataptr dz)
{
    int exit_status;
    aplptr ap = dz->application;
    // set_param_ranges()
    ap->total_input_param_cnt = (char)(ap->max_param_cnt + ap->option_cnt + ap->variant_param_cnt);
    // NB total_input_param_cnt is > 0 !!!
    if((exit_status = setup_input_param_range_stores(ap->total_input_param_cnt,ap))<0)
        return(FAILED);
    // get_param_ranges()
    switch(dz->mode) {
    case(0):
        ap->lo[CA_HOLEN]    = 0.0;
        ap->hi[CA_HOLEN]    = 99.0;
        ap->default_val[CA_HOLEN]   = 0.333;
        ap->lo[CA_HOLEDIG]  = 0.001;
        ap->hi[CA_HOLEDIG]  = 1.0;
        ap->default_val[CA_HOLEDIG] = 0.1;
        ap->lo[CA_TRIGLEV]  = 0.001;
        ap->hi[CA_TRIGLEV]  = 1.0;
        ap->default_val[CA_TRIGLEV] = 0.5;
        ap->lo[CA_SPLEN]    = 3;
        ap->hi[CA_SPLEN]    = 50;
        ap->default_val[CA_SPLEN] = 5;
        break;
    case(1):
        ap->lo[CA_HOLEN]    = 0.0;
        ap->hi[CA_HOLEN]    = dz->duration/3.0;
        ap->default_val[CA_HOLEN] = dz->duration/3.0;
        ap->lo[CA_HOLEDIG]  = 0.001;
        ap->hi[CA_HOLEDIG]  = 1.0;
        ap->default_val[CA_HOLEDIG] = 0.1;
        ap->lo[CA_TRIGLEV]  = 0.001;
        ap->hi[CA_TRIGLEV]  = 1.0;
        ap->default_val[CA_TRIGLEV] = 0.5;
        ap->lo[CA_SPLEN]    = 3;
        ap->hi[CA_SPLEN]    = 50;
        ap->default_val[CA_SPLEN] = 5;
        break;
    case(2):
        ap->lo[CA_HOLEN]    = 0.0;
        ap->hi[CA_HOLEN]    = 0.99;
        ap->default_val[CA_HOLEN] = 0.0;
        ap->lo[CA_HOLEDIG]  = 2;
        ap->hi[CA_HOLEDIG]  = 256;
        ap->default_val[CA_HOLEDIG] = 8;
        ap->lo[CA_WOBDEC]   = 0.01;
        ap->hi[CA_WOBDEC]   = 1;
        ap->default_val[CA_WOBDEC]  = 0.5;
        ap->lo[CA_WOBBLES]  = 1;
        ap->hi[CA_WOBBLES]  = 100;
        ap->default_val[CA_WOBBLES] = 4;
        break;
    }
    ap->lo[CA_MAXDUR]   = dz->duration * 2;
    ap->hi[CA_MAXDUR]   = 32767;
    ap->default_val[CA_MAXDUR]  = 60.0;
    dz->maxmode = 0;
    if(!sloom)
        put_default_vals_in_all_params(dz);
    return(FINISHED);
}

/********************************* PARSE_SLOOM_DATA *********************************/

int parse_sloom_data(int argc,char *argv[],char ***cmdline,int *cmdlinecnt,dataptr dz)
{
    int exit_status;
    int cnt = 1, infilecnt;
    int filesize, insams, inbrksize;
    double dummy;
    int true_cnt = 0;
//    aplptr ap;

    while(cnt<=PRE_CMDLINE_DATACNT) {
        if(cnt > argc) {
            sprintf(errstr,"Insufficient data sent from TK\n");
            return(DATA_ERROR);
        }
        switch(cnt) {
        case(1):    
            if(sscanf(argv[cnt],"%d",&dz->process)!=1) {
                sprintf(errstr,"Cannot read process no. sent from TK\n");
                return(DATA_ERROR);
            }
            break;

        case(2):    
            if(sscanf(argv[cnt],"%d",&dz->mode)!=1) {
                sprintf(errstr,"Cannot read mode no. sent from TK\n");
                return(DATA_ERROR);
            }
            if(dz->mode > 0)
                dz->mode--;
            //setup_particular_application() =
            if((exit_status = setup_cantor_application(dz))<0)
                return(exit_status);
//            ap = dz->application;
            break;

        case(3):    
            if(sscanf(argv[cnt],"%d",&infilecnt)!=1) {
                sprintf(errstr,"Cannot read infilecnt sent from TK\n");
                return(DATA_ERROR);
            }
            if(infilecnt < 1) {
                true_cnt = cnt + 1;
                cnt = PRE_CMDLINE_DATACNT;  /* force exit from loop after assign_file_data_storage */
            }
            if((exit_status = assign_file_data_storage(infilecnt,dz))<0)
                return(exit_status);
            break;
        case(INPUT_FILETYPE+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->filetype)!=1) {
                sprintf(errstr,"Cannot read filetype sent from TK (%s)\n",argv[cnt]);
                return(DATA_ERROR);
            }
            break;
        case(INPUT_FILESIZE+4): 
            if(sscanf(argv[cnt],"%d",&filesize)!=1) {
                sprintf(errstr,"Cannot read infilesize sent from TK\n");
                return(DATA_ERROR);
            }
            dz->insams[0] = filesize;   
            break;
        case(INPUT_INSAMS+4):   
            if(sscanf(argv[cnt],"%d",&insams)!=1) {
                sprintf(errstr,"Cannot read insams sent from TK\n");
                return(DATA_ERROR);
            }
            dz->insams[0] = insams; 
            break;
        case(INPUT_SRATE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->srate)!=1) {
                sprintf(errstr,"Cannot read srate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_CHANNELS+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->channels)!=1) {
                sprintf(errstr,"Cannot read channels sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_STYPE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->stype)!=1) {
                sprintf(errstr,"Cannot read stype sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGSTYPE+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->origstype)!=1) {
                sprintf(errstr,"Cannot read origstype sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGRATE+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->origrate)!=1) {
                sprintf(errstr,"Cannot read origrate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MLEN+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->Mlen)!=1) {
                sprintf(errstr,"Cannot read Mlen sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DFAC+4): 
            if(sscanf(argv[cnt],"%d",&dz->infile->Dfac)!=1) {
                sprintf(errstr,"Cannot read Dfac sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ORIGCHANS+4):    
            if(sscanf(argv[cnt],"%d",&dz->infile->origchans)!=1) {
                sprintf(errstr,"Cannot read origchans sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_SPECENVCNT+4):   
            if(sscanf(argv[cnt],"%d",&dz->infile->specenvcnt)!=1) {
                sprintf(errstr,"Cannot read specenvcnt sent from TK\n");
                return(DATA_ERROR);
            }
            dz->specenvcnt = dz->infile->specenvcnt;
            break;
        case(INPUT_WANTED+4):   
            if(sscanf(argv[cnt],"%d",&dz->wanted)!=1) {
                sprintf(errstr,"Cannot read wanted sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_WLENGTH+4):  
            if(sscanf(argv[cnt],"%d",&dz->wlength)!=1) {
                sprintf(errstr,"Cannot read wlength sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_OUT_CHANS+4):    
            if(sscanf(argv[cnt],"%d",&dz->out_chans)!=1) {
                sprintf(errstr,"Cannot read out_chans sent from TK\n");
                return(DATA_ERROR);
            }
            break;
            /* RWD these chanegs to samps - tk will have to deal with that! */
        case(INPUT_DESCRIPTOR_BYTES+4): 
            if(sscanf(argv[cnt],"%d",&dz->descriptor_samps)!=1) {
                sprintf(errstr,"Cannot read descriptor_samps sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_IS_TRANSPOS+4):  
            if(sscanf(argv[cnt],"%d",&dz->is_transpos)!=1) {
                sprintf(errstr,"Cannot read is_transpos sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_COULD_BE_TRANSPOS+4):    
            if(sscanf(argv[cnt],"%d",&dz->could_be_transpos)!=1) {
                sprintf(errstr,"Cannot read could_be_transpos sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_COULD_BE_PITCH+4):   
            if(sscanf(argv[cnt],"%d",&dz->could_be_pitch)!=1) {
                sprintf(errstr,"Cannot read could_be_pitch sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DIFFERENT_SRATES+4): 
            if(sscanf(argv[cnt],"%d",&dz->different_srates)!=1) {
                sprintf(errstr,"Cannot read different_srates sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DUPLICATE_SNDS+4):   
            if(sscanf(argv[cnt],"%d",&dz->duplicate_snds)!=1) {
                sprintf(errstr,"Cannot read duplicate_snds sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_BRKSIZE+4):  
            if(sscanf(argv[cnt],"%d",&inbrksize)!=1) {
                sprintf(errstr,"Cannot read brksize sent from TK\n");
                return(DATA_ERROR);
            }
            if(inbrksize > 0) {
                switch(dz->input_data_type) {
                case(WORDLIST_ONLY):
                    break;
                case(PITCH_AND_PITCH):
                case(PITCH_AND_TRANSPOS):
                case(TRANSPOS_AND_TRANSPOS):
                    dz->tempsize = inbrksize;
                    break;
                case(BRKFILES_ONLY):
                case(UNRANGED_BRKFILE_ONLY):
                case(DB_BRKFILES_ONLY):
                case(ALL_FILES):
                case(ANY_NUMBER_OF_ANY_FILES):
                    if(dz->extrabrkno < 0) {
                        sprintf(errstr,"Storage location number for brktable not established by CDP.\n");
                        return(DATA_ERROR);
                    }
                    if(dz->brksize == NULL) {
                        sprintf(errstr,"CDP has not established storage space for input brktable.\n");
                        return(PROGRAM_ERROR);
                    }
                    dz->brksize[dz->extrabrkno] = inbrksize;
                    break;
                default:
                    sprintf(errstr,"TK sent brktablesize > 0 for input_data_type [%d] not using brktables.\n",
                    dz->input_data_type);
                    return(PROGRAM_ERROR);
                }
                break;
            }
            break;
        case(INPUT_NUMSIZE+4):  
            if(sscanf(argv[cnt],"%d",&dz->numsize)!=1) {
                sprintf(errstr,"Cannot read numsize sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_LINECNT+4):  
            if(sscanf(argv[cnt],"%d",&dz->linecnt)!=1) {
                sprintf(errstr,"Cannot read linecnt sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ALL_WORDS+4):    
            if(sscanf(argv[cnt],"%d",&dz->all_words)!=1) {
                sprintf(errstr,"Cannot read all_words sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_ARATE+4):    
            if(sscanf(argv[cnt],"%f",&dz->infile->arate)!=1) {
                sprintf(errstr,"Cannot read arate sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_FRAMETIME+4):    
            if(sscanf(argv[cnt],"%lf",&dummy)!=1) {
                sprintf(errstr,"Cannot read frametime sent from TK\n");
                return(DATA_ERROR);
            }
            dz->frametime = (float)dummy;
            break;
        case(INPUT_WINDOW_SIZE+4):  
            if(sscanf(argv[cnt],"%f",&dz->infile->window_size)!=1) {
                sprintf(errstr,"Cannot read window_size sent from TK\n");
                    return(DATA_ERROR);
            }
            break;
        case(INPUT_NYQUIST+4):  
            if(sscanf(argv[cnt],"%lf",&dz->nyquist)!=1) {
                sprintf(errstr,"Cannot read nyquist sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_DURATION+4): 
            if(sscanf(argv[cnt],"%lf",&dz->duration)!=1) {
                sprintf(errstr,"Cannot read duration sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MINBRK+4):   
            if(sscanf(argv[cnt],"%lf",&dz->minbrk)!=1) {
                sprintf(errstr,"Cannot read minbrk sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MAXBRK+4):   
            if(sscanf(argv[cnt],"%lf",&dz->maxbrk)!=1) {
                sprintf(errstr,"Cannot read maxbrk sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MINNUM+4):   
            if(sscanf(argv[cnt],"%lf",&dz->minnum)!=1) {
                sprintf(errstr,"Cannot read minnum sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        case(INPUT_MAXNUM+4):   
            if(sscanf(argv[cnt],"%lf",&dz->maxnum)!=1) {
                sprintf(errstr,"Cannot read maxnum sent from TK\n");
                return(DATA_ERROR);
            }
            break;
        default:
            sprintf(errstr,"case switch item missing: parse_sloom_data()\n");
            return(PROGRAM_ERROR);
        }
        cnt++;
    }
    if(cnt!=PRE_CMDLINE_DATACNT+1) {
        sprintf(errstr,"Insufficient pre-cmdline params sent from TK\n");
        return(DATA_ERROR);
    }

    if(true_cnt)
        cnt = true_cnt;
    *cmdlinecnt = 0;        

    while(cnt < argc) {
        if((exit_status = get_tk_cmdline_word(cmdlinecnt,cmdline,argv[cnt]))<0)
            return(exit_status);
        cnt++;
    }
    return(FINISHED);
}

/********************************* GET_TK_CMDLINE_WORD *********************************/

int get_tk_cmdline_word(int *cmdlinecnt,char ***cmdline,char *q)
{
    if(*cmdlinecnt==0) {
        if((*cmdline = (char **)malloc(sizeof(char *)))==NULL)  {
            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
            return(MEMORY_ERROR);
        }
    } else {
        if((*cmdline = (char **)realloc(*cmdline,((*cmdlinecnt)+1) * sizeof(char *)))==NULL)    {
            sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline array.\n");
            return(MEMORY_ERROR);
        }
    }
    if(((*cmdline)[*cmdlinecnt] = (char *)malloc((strlen(q) + 1) * sizeof(char)))==NULL)    {
        sprintf(errstr,"INSUFFICIENT MEMORY for TK cmdline item %d.\n",(*cmdlinecnt)+1);
        return(MEMORY_ERROR);
    }
    strcpy((*cmdline)[*cmdlinecnt],q);
    (*cmdlinecnt)++;
    return(FINISHED);
}


/****************************** ASSIGN_FILE_DATA_STORAGE *********************************/

int assign_file_data_storage(int infilecnt,dataptr dz)
{
    int exit_status;
    int no_sndfile_system_files = FALSE;
    dz->infilecnt = infilecnt;
    if((exit_status = allocate_filespace(dz))<0)
        return(exit_status);
    if(no_sndfile_system_files)
        dz->infilecnt = 0;
    return(FINISHED);
}



/************************* redundant functions: to ensure libs compile OK *******************/

int assign_process_logic(dataptr dz)
{
    return(FINISHED);
}

void set_legal_infile_structure(dataptr dz)
{}

int set_legal_internalparam_structure(int process,int mode,aplptr ap)
{
    return(FINISHED);
}

int setup_internal_arrays_and_array_pointers(dataptr dz)
{
    return(FINISHED);
}

int establish_bufptrs_and_extra_buffers(dataptr dz)
{
    return(FINISHED);
}

int read_special_data(char *str,dataptr dz) 
{
    return(FINISHED);
}

int inner_loop
(int *peakscore,int *descnt,int *in_start_portion,int *least,int *pitchcnt,int windows_in_buf,dataptr dz)
{
    return(FINISHED);
}

int get_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
    return(FINISHED);
}


/******************************** USAGE1 ********************************/

int usage1(void)
{
    usage2("set");
    return(USAGE_ONLY);
}

/**************************** CHECK_CANTOR_PARAM_VALIDITY_AND_CONSISTENCY *****************************/

int check_cantor_param_validity_and_consistency(dataptr dz)
{
    int cnt, totalcnt, firstholen, n, m, k;
    int chans = dz->infile->channels;
    dz->iparam[CA_SPLEN] = (int)round(dz->param[CA_SPLEN] * MS_TO_SECS * (double)dz->infile->srate);
    dz->digsteps = (int)ceil(1.0/dz->param[CA_HOLEDIG]);
    dz->dig = dz->iparam[CA_SPLEN]/dz->digsteps;        //  chunk of splicelen carved at each dig
    if(dz->dig * dz->digsteps != dz->iparam[CA_SPLEN]) {
        dz->dig++;
        dz->iparam[CA_SPLEN] = dz->dig * dz->digsteps;  //  splicelen is a multiple of level decrements
    }
    switch(dz->mode) {
    case(0):
        dz->param[CA_HOLEN] /= 100.0;   
        firstholen = (int)round((dz->insams[0]/chans) * dz->param[CA_HOLEN]);
        if(!dz->vflag[0] && (firstholen <= dz->iparam[CA_SPLEN] * 2)) {
            sprintf(errstr,"Hole too short for splice length specified.\n");
            return(DATA_ERROR);
        }
        break;
    case(1):
        dz->iparam[CA_HOLEN] = (int)round(dz->param[CA_HOLEN] * (double)dz->infile->srate) * chans;     
        if(dz->iparam[CA_SPLEN] * chans * 2 >= dz->iparam[CA_HOLEN]) {
            sprintf(errstr,"Holes too small for splice length given.\n");
            return(DATA_ERROR);
        }
        if(dz->iparam[CA_SPLEN] < chans) {
            sprintf(errstr,"Holes too small.\n");
            return(DATA_ERROR);
        }
        break;
    }
    dz->iparam[CA_MAXDUR] = (int)round(dz->param[CA_MAXDUR] * (double)dz->infile->srate) * chans; 
    
    if(dz->mode == 2) {
        if((dz->parray = (double **)malloc(dz->iparam[CA_WOBBLES] * sizeof(double *)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY to create data double arrays.\n");
            return(MEMORY_ERROR);
        }
        for(n=0;n < dz->iparam[CA_WOBBLES];n++) {
            if((dz->parray[n] = (double *)malloc((CACOSTABSIZ + 1) * sizeof(double)))==NULL) {
                sprintf(errstr,"INSUFFICIENT MEMORY to create cosin data table.\n");
                return(MEMORY_ERROR);
            }
        }
        for(n=0;n < dz->iparam[CA_WOBBLES];n++) {
            for(m=0;m < CACOSTABSIZ;m++) {
                dz->parray[n][m] = cos(((double)m/(double)CACOSTABSIZ) * 2.0 * PI);
                dz->parray[n][m] += 1.0;
                dz->parray[n][m] /= 2.0;
                dz->parray[n][m] = 1.0 - dz->parray[n][m];
            }
            dz->parray[n][m] = dz->parray[n][m-1];
        }
        for(n=0,m = dz->iparam[CA_WOBBLES];n < dz->iparam[CA_WOBBLES]-1;n++,m--) {
            for(k=0;k < CACOSTABSIZ;k++) 
                dz->parray[n][k] = pow(dz->parray[n][k],m);
            dz->parray[n][k] = dz->parray[n][k-1];
        }
    } else {
        if((dz->iparray = (int **)malloc(3 * sizeof(int *)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY to create data integer arrays.\n");
            return(MEMORY_ERROR);
        }
        dz->arrraysize = 0;
        totalcnt = dz->insams[0]/chans;
        while(totalcnt >= 1) {
            dz->arrraysize++;
            if(totalcnt == 1)
                break;
            cnt = totalcnt/2;
            if(cnt * 2 != totalcnt)
                cnt++;
            totalcnt = cnt;
        }
        dz->arrraysize += 4;// SAFETY
        if((dz->iparray[0] = (int *)malloc(dz->arrraysize * sizeof(int)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY to create hole count stores.\n");
            return(MEMORY_ERROR);
        }
        for(cnt=0;cnt<dz->arrraysize;cnt++)
            dz->iparray[0][cnt] = 1;

        if((dz->iparray[1] = (int *)malloc(dz->arrraysize * sizeof(int)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY to create hole count stores.\n");
            return(MEMORY_ERROR);
        }
        for(cnt=0;cnt<dz->arrraysize;cnt++)
            dz->iparray[1][cnt] = CONTINUE;
        if((dz->iparray[2] = (int *)malloc(dz->arrraysize * sizeof(int)))==NULL) {
            sprintf(errstr,"INSUFFICIENT MEMORY to create hole count stores.\n");
            return(MEMORY_ERROR);
        }
        for(cnt=0;cnt<dz->arrraysize;cnt++)
            dz->iparray[2][cnt] = 0;
    }
    return FINISHED;
}

/********************************************************************************************/

int get_the_process_no(char *prog_identifier_from_cmdline,dataptr dz)
{
    if(!strcmp(prog_identifier_from_cmdline,"set"))             dz->process = CANTOR;
    else {
        sprintf(errstr,"Unknown program identification string '%s'\n",prog_identifier_from_cmdline);
        return(USAGE_ONLY);
    }
    return(FINISHED);
}

/******************************** SETUP_AND_INIT_INPUT_BRKTABLE_CONSTANTS ********************************/

int setup_and_init_input_brktable_constants(dataptr dz,int brkcnt)
{   
    int n;
    if((dz->brk      = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 1\n");
        return(MEMORY_ERROR);
    }
    if((dz->brkptr   = (double **)malloc(brkcnt * sizeof(double *)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 6\n");
        return(MEMORY_ERROR);
    }
    if((dz->brksize  = (int    *)malloc(brkcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 2\n");
        return(MEMORY_ERROR);
    }
    if((dz->firstval = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 3\n");
        return(MEMORY_ERROR);                                                 
    }
    if((dz->lastind  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 4\n");
        return(MEMORY_ERROR);
    }
    if((dz->lastval  = (double  *)malloc(brkcnt * sizeof(double)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 5\n");
        return(MEMORY_ERROR);
    }
    if((dz->brkinit  = (int     *)malloc(brkcnt * sizeof(int)))==NULL) {
        sprintf(errstr,"setup_and_init_input_brktable_constants(): 7\n");
        return(MEMORY_ERROR);
    }
    for(n=0;n<brkcnt;n++) {
        dz->brk[n]     = NULL;
        dz->brkptr[n]  = NULL;
        dz->brkinit[n] = 0;
        dz->brksize[n] = 0;
    }
    return(FINISHED);
}

/******************************** USAGE2 ********************************/

int usage2(char *str)
{
    if(!strcmp(str,"set")) {
        fprintf(stdout,
        "USAGE:\n"
        "cantor set infile outfile 1-2 holesize holedig depth-trig splicelen maxdur [-e]\n"
        "cantor set infile outfile 3   holelev  holedig layercnt layerdec maxdur\n"
        "\n"
        "Gradually cut hole in central 3rd of input sound.\n"
        "Cut holes in central 3rd of the remaining segments, and so on.\n"
        "Output is a sequence of sounds with more and more holes cut.\n"
        "Mode 3 uses superimposed vibrati envelopes\n"
        "\n"
        "MODES 1 and 2\n"
        "\n"
        "HOLESIZE   MODE 1: Percentage of current segment-time taken up by hole.\n"
        "           Size of hole depends on size of segment being cut.\n"
        "           MODE 2: (Fixed) Duration of holes.\n"
        "HOLEDIG    Depth of each cut as hole is gradually created (>0-1).\n"
        "DEPTH-TRIG Level-Depth of hole triggering next hole-cutting.\n"
        "SPLICELEN  Splicelength in mS.\n"
        "MAXDUR     Maximum total duration of all the output sound.\n"
        "-e         Extend sound beyond splicelen limits.\n"
        "\n"
        "MODES 3\n"
        "\n"
        "HOLELEV    Level of signal at base of holes.\n"
        "HOLEDIG    How many repets before full-depth reached.\n"
        "LAYERCNT   Number of vibrato layers used.\n"
        "LAYERDEC   Depth of next vibrato in relation to previous\n"
        "MAXDUR     Maximum total duration of all the output sound.\n"
        "\n");
    } else
        fprintf(stdout,"Unknown option '%s'\n",str);
    return(USAGE_ONLY);
}

int usage3(char *str1,char *str2)
{
    fprintf(stderr,"Insufficient parameters on command line.\n");
    return(USAGE_ONLY);
}

/******************************** CANTOR ********************************/

int cantor(dataptr dz)
{
    int exit_status, status;
    char thisnum[200], filename[400];
    double holsttfrac = 1.0, holendfrac = 1.0;
    float *ibuf = dz->sampbuf[0], *obuf = dz->sampbuf[1];
    int startseg = 0, sum_total_samps = 0, fileno = 0, woblcnt = 0;
    int endseg   = dz->insams[0];
    double splincr = 1.0/dz->iparam[CA_SPLEN];
    int stepcnt = 0;
    double maxatten = 0.0;
    if(dz->mode == 2) {
        stepcnt  = dz->iparam[CA_HOLEDIG];
        maxatten = 1.0 - dz->param[CA_HOLEN];
    }
    if((exit_status = read_samps(ibuf,dz))<0)
        return(exit_status);
    if(dz->mode == 0) {
        holsttfrac = (1.0 - dz->param[CA_HOLEN])/2.0;
        holendfrac = 1.0 - holsttfrac;
    }
    for(;;) {
        if(fileno > 0) {
            if(sndcloseEx(dz->ofd) < 0) {
                sprintf(errstr,"Failed to close output file %d\n",fileno+1);
                return(SYSTEM_ERROR);
            }
            dz->ofd = -1;
            strcpy(filename,dz->outfilename);
            sprintf(thisnum,"%d",fileno);
            strcat(filename,thisnum);
            strcat(filename,".wav");
            if((exit_status = create_sized_outfile(filename,dz))<0)
                return(exit_status);
            sndseekEx(dz->ifd[0],0,0);
            reset_filedata_counters(dz);
        }
        memcpy((char *)obuf,(char *)ibuf,dz->insams[0] * sizeof(float));
        if(dz->mode == 2)
            exit_status = woblwobl(ibuf,obuf,&woblcnt,stepcnt,maxatten,dz);
        else
            exit_status = cut_hole(startseg,endseg,holsttfrac,holendfrac,splincr,ibuf,obuf,0,dz);
        if(exit_status<0)
            return GOAL_FAILED;
        status = exit_status;
        if((exit_status = write_samps(obuf,dz->insams[0],dz))<0)
            return(exit_status);
        if(status != CONTINUE)
            break;
        memset((char *)obuf,0,dz->insams[0] * sizeof(float));
        sum_total_samps += dz->total_samps_written;
        if(sum_total_samps >= dz->iparam[CA_MAXDUR])
            return FINISHED;
        fileno++;
    }
    return exit_status;
}

/******************************** CUT_HOLE ********************************/

int cut_hole(int startseg,int endseg,double holsttfrac,double holendfrac,double splincr,float *ibuf,float *obuf,int holeno,dataptr dz)
{
    int chans = dz->infile->channels, k, j, m;
    int seglen, holstt, holend, hollen, digdepth, digcnt, holendsttsplice, splen, digmax;
    int gphollen, halfgphollen, holgpcentre, over;
    double spliceval, centrelevel;
    int *exitval = dz->iparray[1];
    int passlimit = (int)round(pow(2,holeno)); 
    int passno = dz->iparray[2][holeno];
    seglen = endseg - startseg;
    splen = dz->iparam[CA_SPLEN];                       //  and its length
    digdepth = dz->dig;                                 //  digdepth is how far we dig hole (furTher) on each pass, till will reach full cut
    if(dz->mode == 0) {
        if(seglen <= 0) {
            exitval[holeno] = FINISHED;
            return FINISHED;
        }
        holstt = (int)round((seglen/chans) * holsttfrac) + startseg;
        holend = (int)round((seglen/chans) * holendfrac) + startseg;
        hollen = holend - holstt;                           //  Find start and end of hole, and its length
        if(dz->vflag[0]) {                                  //  If extending to smallest possible segment
            if(hollen <= 0) {                               //  If no hole to dig, quit 
                exitval[holeno] = FINISHED;
                return FINISHED;
            }
            else if(hollen <= 2 * splen) {                  //  Or if hole is smaller than 2-splices, reduce splicelens
                splen = hollen/2;
                digdepth = (int)round((double)splen/(double)dz->digsteps);
                if(digdepth < 1)
                    return FINISHED;
                splincr  = 1.0/(double)splen;
            }
        } else {                                            //  Once holes smaller than 2 splices, quit
            if(hollen <= 2 * splen) {
                exitval[holeno] = FINISHED;
                return FINISHED;
            }
        }
    } else {
        if(seglen <= dz->iparam[CA_HOLEN]) {
            exitval[holeno] = FINISHED;
            return FINISHED;
        }
        gphollen     = dz->iparam[CA_HOLEN]/chans;
        halfgphollen = gphollen/2; 
        holgpcentre  = (seglen/chans)/2;
        holstt = holgpcentre - halfgphollen;
        holend = holstt + gphollen;
        holstt *= chans;
        holend *= chans;
        holstt += startseg;
        holend += startseg;
        if((over = startseg - holstt) > 0) {
            holstt += over;
            holend += over;
            if(holend >= endseg) {
                return FINISHED;
            }
        } else if((over = holend - endseg) > 0) {
            holend -= over;
            holstt -= over;
            if(holstt < startseg) {
            }
            return FINISHED;
        }
        splincr  = 1.0/(double)splen;
    }
    holendsttsplice = holend - splen;
    digcnt = dz->iparray[0][holeno];
    holstt *= chans;
    holend *= chans;
    holendsttsplice *= chans;
    spliceval = 1.0 - splincr;
    digmax = min(splen, digcnt * digdepth);             //  Maximum depth (therefore sample count) to which we dig splice on this pass
    holendsttsplice = holend - digmax;                  //  Find where upsplice at end of hole begins
    for(k = 0, j = holstt; k < digmax;k++,j+=chans) {
        for(m=0;m<chans;m++)                            //  Dig downsplice as far as ness on this pass
            obuf[j+m] = (float)(ibuf[j+m] * spliceval);
        spliceval = max(0.0,spliceval - splincr);
    }
    centrelevel = spliceval;
    while(j < holendsttsplice) {                        //  Central part is reduced in level (until it gets to zero after successive passes)
        obuf[j] = (float)(ibuf[j] * spliceval);
        j++;
    }
    spliceval += splincr;
    for(k = 0; k < digmax;k++,j+=chans) {               //  Do upsplice
        for(m=0;m<chans;m++)
            obuf[j+m] = (float)(ibuf[j+m] * spliceval);
        spliceval = min(1.0,spliceval + splincr);
    }
    passno++;
    dz->iparray[2][holeno] = passno;                //  Count number of passes, so we know when we're at last one
    if(passno >= passlimit)
        (dz->iparray[0][holeno])++;                 //  Count no of digs, so we know how deep to dig in next sound

    if(centrelevel < dz->param[CA_TRIGLEV]) {           //  If centre of hole reaches triggering level
                                                        //  Dig holes in the two sidearms of this segment
        if((exitval[holeno+1] = cut_hole(startseg,holstt,holsttfrac,holendfrac,splincr,ibuf,obuf,holeno+1,dz))<0)
            return(exitval[holeno+1]);
        if(exitval[holeno+1] == FINISHED && (passno >= passlimit))
            exitval[holeno] = FINISHED;             
        if((exitval[holeno+1] = cut_hole(holend,endseg,holsttfrac,holendfrac,splincr,ibuf,obuf,holeno+1,dz))<0)
            return(exitval[holeno+1]);
        if(exitval[holeno+1] == FINISHED && (passno >= passlimit))
            exitval[holeno] = FINISHED;             
    }
    if(exitval[holeno] == FINISHED && (passno >= passlimit)) {
        return FINISHED;
    }
    exitval[holeno] = CONTINUE;             
    return CONTINUE;
}

/**************************** CREATE_CANTOR_SNDBUFS ****************************/

int create_cantor_sndbufs(dataptr dz)
{
    int n;
    int bigbufsize;
    int framesize;
    framesize = F_SECSIZE * dz->infile->channels;
    dz->bufcnt = 2;
    if((dz->sampbuf = (float **)malloc(sizeof(float *) * (dz->bufcnt+1)))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffers.\n");
        return(MEMORY_ERROR);
    }
    if((dz->sbufptr = (float **)malloc(sizeof(float *) * dz->bufcnt))==NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY establishing sample buffer pointers.\n");
        return(MEMORY_ERROR);
    }
    dz->buflen = dz->insams[0];
    dz->buflen = (dz->buflen / framesize) * framesize;
    dz->buflen += framesize;
    bigbufsize = dz->buflen * sizeof(float);
    if(bigbufsize <=0 || bigbufsize * 2 <=0) {
        sprintf(errstr,"Input sound too large for this process\n");
        return(DATA_ERROR);
    }
    if((dz->bigbuf = (float *)malloc(bigbufsize  * dz->bufcnt)) == NULL) {
        sprintf(errstr,"INSUFFICIENT MEMORY to create sound buffers.\n");
        return(PROGRAM_ERROR);
    }
    for(n=0;n<dz->bufcnt;n++)
        dz->sbufptr[n] = dz->sampbuf[n] = dz->bigbuf + (dz->buflen * n);
    dz->sampbuf[n] = dz->bigbuf + (dz->buflen * n);
    return(FINISHED);
}

/****************************** GET_MODE *********************************/

int get_the_mode_from_cmdline(char *str,dataptr dz)
{
    char temp[200], *p;
    if(sscanf(str,"%s",temp)!=1) {
        sprintf(errstr,"Cannot read mode of program.\n");
        return(USAGE_ONLY);
    }
    p = temp + strlen(temp) - 1;
    while(p >= temp) {
        if(!isdigit(*p)) {
            fprintf(stderr,"Invalid mode of program entered.\n");
            return(USAGE_ONLY);
        }
        p--;
    }
    if(sscanf(str,"%d",&dz->mode)!=1) {
        fprintf(stderr,"Cannot read mode of program.\n");
        return(USAGE_ONLY);
    }
    if(dz->mode <= 0 || dz->mode > dz->maxmode) {
        fprintf(stderr,"Program mode value [%d] is out of range [1 - %d].\n",dz->mode,dz->maxmode);
        return(USAGE_ONLY);
    }
    dz->mode--;     /* CHANGE TO INTERNAL REPRESENTATION OF MODE NO */
    return(FINISHED);
}

/****************************** WOBLWOBL *********************************/

int woblwobl(float *ibuf,float *obuf,int *woblcnt,int stepcnt,double maxatten,dataptr dz)
{
    double factor, interval, tabpos, tablen = (double)CACOSTABSIZ, frac, diff, val;
    double *tab;
    int t, n, ipos;
    int  fac;
    factor = 1.0;                               //  How deep is the vibrato layer
    for(t=0;t < dz->iparam[CA_WOBBLES];t++) {   //  Apply each vibrato layer in turn
        tab = dz->parray[t];
        fac = (t*2) + 1;                        //  Read table faster for later (faster) vibrato layers 
        interval = pow(2.0,((double)(*woblcnt)/(double)stepcnt));   //  Range 1 - 2 oct
        interval -= 1.0;                                                //  Range 0 - 1 oct
        interval *= factor;                                             //  Reduce interval for later wobbles
        interval = min(interval,1.0);                                   //  Block at 8va max
        interval *= maxatten;                   //  Confine loudness variation to range specified       
        tabpos = 0.0;
        if(interval > 0.0) {
            for(n=0;n<dz->insams[0];n++) {
                tabpos = ((double)n/(double)dz->insams[0]) * fac * tablen;
                while(tabpos >= CACOSTABSIZ)
                    tabpos -= CACOSTABSIZ;
                ipos = (int)floor(tabpos);
                frac = tabpos - (double)ipos;
                diff = tab[ipos+1] - tab[ipos];
                frac *= diff;
                val  = tab[ipos] + frac;                        //  Val from inverted cos table range 0 up to 1
                val *= interval;                                //  range 0 up to maxrange
                val = 1.0 - val;                                //  Val from 1 down to (1.0-maxatten)
                obuf[n] = (float)(obuf[n] * val);
            }
        }
        factor *= dz->param[CA_WOBDEC];         //  Reduce depth of next vibrato layer
    }
    (*woblcnt)++;
    return(CONTINUE);
}
